                    &           .&            &            &            &            \\
                    &       count&        mean&          sd&         min&         max\\
Mother's height (cm)&   1,363,558&      163.00&        7.26&       91.44&      198.12\\
Mother's education (years)&   1,363,558&        4.19&        1.79&        1.00&        9.00\\
Mother Smoked Before Pregnancy&   1,363,558&        0.12&        0.32&        0.00&        1.00\\
Mother Smoked in 1st Trimester&   1,363,558&        0.09&        0.28&        0.00&        1.00\\
Mother Smoked in 2nd Trimester&   1,363,558&        0.08&        0.26&        0.00&        1.00\\
Mother Smoked in 3rd Trimester&   1,363,558&        0.07&        0.26&        0.00&        1.00\\
Mother had pre-pregnancy diabetes&   1,363,558&        0.01&        0.09&        0.00&        1.00\\
Mother had pre-pregnancy hypertension&   1,363,558&        0.01&        0.12&        0.00&        1.00\\
Mother is underweight (pre-pregnancy)&   1,363,558&        0.06&        0.23&        0.00&        1.00\\
Mother is obese (pre-pregnancy)&   1,363,558&        0.20&        0.40&        0.00&        1.00\\
Percent Twin Births &   1,363,558&        2.84&       16.62&        0.00&      100.00\\
Mother's Age in years&   1,363,558&       28.09&        5.78&       18.00&       49.00\\
a                   &   1,363,558&        1.00&        0.00&        1.00&        1.00\\
